heavensw1111 heavensw1111

01-09-2020
Mathematics

contestada

car A leaves at 8:00am at 40mph car B leaves 2 hours later at 60mph how long does it take car B to catch up to car A?

Respuesta :

miracleobiunu5 miracleobiunu5

03-09-2020

Answer:

4hrs

car b started at 10am

at 10am car a is already at (40×2hrs)=80m

11am:

a- 80+40=120m

b-0+ 60=60m

12am:

a-120+40=160m

b-60+60=120m

1pm:

a-160+40=200m

b-120+60=180m

2pm:

a-200+40=240m

b-180+60=240m

car B caught up with car A at 2pm

so from 10am to 2pm= 4 hrs

Answer Link

Otras preguntas

There are approximately 314 million people in the u.s. if the world population is 7.1 billion people, what percent of the world population is in the u.s.?

What does it mean to recognize your grief triggers? A. realizing that you will have grief after a loss B. planning activities that help you to isolate yourself

What is the oxidation number of any uncombined element? a. -1 b. 0 c. 1 d. 2

A merger between mcdonalds and burger king would be considered what type of merger?

andrew jackson was impeached by congress when he

How much water percentage is in the human body?

All cells have a protective barrier that is formed of proteins and a lipid bilayer. What is the name of this barrier?

Which of the following is an odd function? f(x) = x^3 + 5x^2 + x _________ f(x) = x^2 + x f(x) = –x

if there were 140 problems how many could you miss if you wanted 80%? Like if you did a test, that had 140 problems and you wanted to at leas get 80%, how many

What is the area of this parallelogram? 60 cm² 66 cm² 72 cm² 132 cm² Parallelogram A B C D with side D C parallel to side A B and side A D parallel to side B C.